"For some reason, I thought I related more to Monica, which maybe it's because I do," Cox said. "I'm very similar to her...I'm not as clean as Monica, but I am neat. And I'm not as competitive, even though some people, my partner (musician) Johnny McDaid, would say I am."

Best celebrity cameos on 'Friends'

"That was lightning in a bottle, to have those writers, those creators of the show and the team they put together, and the actors. It just worked," Cox said. "I mean, the casting was perfect. It really was."

Both Cox and Aniston had their movie careers launched thanks to the show, so it's fair to say everything worked out for the both of them.